2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/164941Let X be a smooth Fano variety of dimension at least 4. We show that if X has an elementary birational contraction sending a divisor to a curve, then the Picard number of X is smaller or equal to 5.24 pages, 6 figuresAlgebraic Geometry14J45; 14E30On Fano manifolds with a birational contraction sending a divisor to a curvetext